1) 90°round bend
90°圆弯管
2) quarter bend
90度弯管
3) 90° rectangular bend
90°矩形弯管
1.
Cellular structure evolution of gaseous detonation in a 90° rectangular bend;
气相爆轰波在90°矩形弯管中传播时胞格结构的演化
4) normal bend
直角弯头;90°弯管
5) circular bend
圆形弯管
1.
In a circular bend which is vertically up to horizontal, a numerical simulation for the two phase flow and concentration field of coal pulverized and air showed that the concentration near the back line of the outside in bend is higher than the concentration of the inside obviously.
对竖直上升转水平圆形弯管内煤粉空气两相流场和浓度场进行数值模拟表明 ,弯管外侧壁脊线附近煤粉浓度明显比内侧高 ,验证了弯管的浓淡分离原理 ,为进一步实施提高浓淡分离效果的各种改造措施提供了理论依据。
6) curved tube
弯曲圆管
1.
The number and distribution of the singular points of streamlines in the cross section of steady flow through a curved tube are discussed by using the method of topological structure analysis.
利用拓扑结构分析方法 ,分析了弯曲圆管内定常流在横截面上流线的奇点个数及分布规律 ,给出了二次流的漩涡数目由 2个变为 4个 ,流态结构发生分叉现象的理论判据· 进而 ,利用Galerkin方法 ,得到了弯曲圆管内定常流的流函数和轴向速度的半解析表达式 ,给出了流态结构发生分叉现象的临界Dean数 ,所得结果与理论判则一
补充资料：上管
上管 上管 经穴别名。见《脉经》。即上脘。见该条。
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参考词条